📻 Communications Reference
Comprehensive guide to radio frequencies, repeater operations, and communication protocols for ASAR operations.
Radio Frequencies
Common radio frequencies and channels used in Search and Rescue operations. Always verify with your local SAR coordinator before operations.
Primary SAR Frequencies
| TX Freq (MHz) | RX Freq (MHz) | Emission | Power | Description |
|---|---|---|---|---|
| 148.6550 | 148.6550 | 16F3EJN | 30 watts | PEP Coord. 1 |
| 148.6850 | 148.6850 | 16F3EJN | 30 watts | EP 1 |
| 148.7500 | 143.8200 | 11F3EJN | 30 watts | Province-wide SAR Repeater Allocation |
| 149.0800 | 149.0800 | 16F3EJN | 30 watts | SAR Stations |
| 149.4950 | 149.4950 | 16F3EJN | 30 watts | PEP SAR 1 |
| 149.5250 | 149.5250 | 16F3EJN | 30 watts | PEP SAR 2 |
Radio Communication Best Practices
Radio Check Procedure
- Requesting: "[Your call] radio check"
- Responding: "[Their call] from [your call], you are [signal strength] with [audio quality]"
- Signal Strength: Loud and clear / Readable / Weak / Unreadable
Standard Communication Protocol
- Who you're calling - "[Their call]"
- Who you are - "This is [your call]"
- Your message - Keep it brief and clear
- Request acknowledgment - "Over"
- End transmission - "[Your call] clear/out"
Phonetic Alphabet
| Letter | Phonetic | Letter | Phonetic |
|---|---|---|---|
| A | Alpha | N | November |
| B | Bravo | O | Oscar |
| C | Charlie | P | Papa |
| D | Delta | Q | Quebec |
| E | Echo | R | Romeo |
| F | Foxtrot | S | Sierra |
| G | Golf | T | Tango |
| H | Hotel | U | Uniform |
| I | India | V | Victor |
| J | Juliet | W | Whiskey |
| K | Kilo | X | X-ray |
| L | Lima | Y | Yankee |
| M | Mike | Z | Zulu |